47results about How to "Easy to form mass production" patented technology

A fiber grating wavelength measuring system consists of the DFB laser, the temperature tuning circuit, the current tuning circuit, the photo-electricity modulator, the modulating circuit, the photo-electricity detector module, the high-speed sampling circuit, the microprocessor, the display part, the branching unit and the connecting fiber. The invention is: the DFB laser measures the wavelength of the fiber grating sensor that not only reduces the cost, but also uses to examine temperature, stress of building, emergency measurement, and the entire situation fitting for the measurement of the fiber grating sensor.

An automatic ruler for displaying plant growth comprises an identification base and an iron scale ruler. The automatic ruler is characterized in that a hole used for viewing scales is arranged in the center of the identification base, permanent magnets and guide rails are arranged behind the identification base, the iron scale ruler is sealed by a layer of transparent plastic, the permanent magnets attract the iron scale ruler and attach to the back of the identification base, and the iron scale ruler with the layer of transparent plastic slides transversely. According to this arrangement, the use of nails to fix and energy consumption can be saved. The automatic ruler has the advantages of being simple in structure and low in cost, so that mass production can be achieved.

The invention discloses a method to prepare a magnesium boron oxygen nano thread, adopting a sol-gel method, and the steps as follows: 1) prepare a solution by using 99% analytical magnesium nitrate, boric acid and citric acid in mole ratio of 1 to 1 to 1 - 1 to 10 to 10, drying at 10-500 deg.C so as to obtain a gelatinous product; 2) baking the product at 100 deg.C-1300 deg.C for 5 minutes-200 hours, and generating a white powdery substance; 3) dissolving the white powdery substance in water, centrifuging and eliminating soluble B2O3, and making the magnesium boron oxygen (MgB4O7) nano thread. It has simple process, easy to form volume-production, and the made nano thread has excellent performance. By organically combining the nano thread with other material blocks, it is hopeful to improve the mechanical property of ceramic material, and enhance the flexibility and strength of ceramic material.

The invention discloses a heating non-combustion smoking set; the heating non-combustion smoking set comprises a shell with a hollow cavity, a circuit assembly and a circuit board supporting component, wherein the circuit assembly comprises a battery and a flexible circuit board extending along the hollow cavity; one end of the flexible circuit board is provided with a first circuit area; the battery is electrically connected with the first circuit area; the circuit board supporting component is arranged in the hollow cavity and is matched with the inner wall of the hollow cavity; the circuitboard supporting component extends along the axial direction of the battery; and one end of the battery abuts against one end of the circuit board supporting component, and the first circuit area is fixed on the circuit board supporting component. By virtue of the circuit board supporting component, the positioning support can be formed at one end of the flexible circuit board, the abutting surface can be provided for the battery, the original connection relation and the fixing relation between the flexible circuit board and the battery can be kept in the assembling process, and the whole assembling process is more convenient, fast and efficient.

The present application discloses a heat-not-burn smoking appliance, which includes a shell with a hollow cavity, and a battery is arranged in the hollow cavity, and the smoking appliance also includes a circuit assembly, and the circuit assembly includes a flexible circuit board extending along the hollow cavity , the flexible circuit board has: a positive terminal and a negative terminal for connecting the battery; a first circuit area, a second circuit area, and a connection area for connecting the first circuit area and the second circuit area; wherein, the first circuit area A circuit area and a second circuit area are both deflected toward the center of the hollow cavity relative to the connection area; the connection area has a length not shorter than the battery, and at least part of the connection area is attached to the on the outer surface of the battery. The present application uses a flexible circuit board to connect components, and both ends of the flexible circuit board can be deflected toward the central area of ​​the casing, thereby reducing the size of the smoking set to a large extent, which is conducive to the development of the smoking set in the direction of miniaturization.

The invention relates to an improved unpowered type sewage biological purification device comprising a mixed flow expanded-bed anaerobic biological treatment unit and a water-dropping aeration unit, wherein the mixed flow expanded-bed anaerobic biological treatment unit and the water-dropping aeration unit are both arranged in a closed glass steel cylindrical tank body; the mixed flow expanded-bed anaerobic biological treatment unit comprises a biological filter which is arranged at the lower middle inside the glass steel cylindrical tank body; the upper end of the biological filter is provided with a necking mouth; the outer edge of the necking mouth is provided with the water-dropping aeration unit; the necking mouth arranged on the upper end of the biological filter is internally provided with a filtering screen; anaerobic suspended fillers are arranged below the filtering screen; and the bottom of the biological filter is provided with an umbrella-type water distributor. The invention has small occupying area and a difficultly corroded steel shell, enhances the anaerobic reaction efficiency due to the large biofilm formation amount of the anaerobic suspended fillers, has poor water distribution uniformity of a water inlet pipe and a water distribution pipe, is convenient to maintain by adding a sludge suction device, can realize that a whole system can be used when connected after the anaerobic suspended fillers are loaded because the anaerobic suspended fillers can be processed with pre-biofilm formation, is easy to realize the standard and batch production and popularize and apply due to water-dropping aeration without power consumption.

The invention relates to an oiling-free automobile transmission shaft which comprises a shaft tube, a weld yoke, a flange yoke and a universal joint pin. The oiling-free automobile transmission shaft is characterized in that needle rollers are distributed on the inner wall of a shaft sleeve along the circumferential direction; a double-lip elastic retainer ring and a wearing ring are sequentially arranged at one end of the shaft sleeve, which is close to the center of the universal joint pin; the wearing ring is located between the double-lip elastic retainer ring and the needle rollers; an oil storage device is arranged on the universal joint pin; a return spring, a piston and a seal ring are arranged inside the oil storage device; the piston is arranged inside a shell of the oil storage device; the seal ring is arranged at the side face of the circumference of the piston; the return spring is arranged between the piston and the top of the shell of the oil storage device; an oil storage cavity is arranged below the piston; a through hole is arranged inside the universal joint pin; and the through hole is communicated with the inner cavity of the shaft sleeve and the oil storage cavity. The oiling-free automobile transmission shaft is easy to manufacture, low in cost, safe and reliable and has obvious using effect.

The invention relates to a mixed flow expanded bed anaerobic microorganism filter tank, comprising a casing which is a cylindrical glass fiber reinforced plastic tank body. A biofilter is arranged at the lower-middle part of the cylindrical glass fiber reinforced plastic tank body; the upper end of the biofilter is provided with a shrink mouth; the outer edge of the shrink mouth is provided with a drop-aeration device; a mesh is arranged in the upper port of the biofilter; anaerobic suspended filler is arranged below the mesh; a water distributor is in a shape of an umbrella; a water inlet pipe and a mud sucking pipe longitudinally pass through the water distributor; and the upper ends of the water inlet pipe and the mud sucking pipe are respectively penetrate through the upper part of the cylindrical glass fiber reinforced plastic tank body. The filter tank has small occupied area, difficult erosion of the steel casing, large amount of biofilm formation, increase of anaerobic reaction efficiency, good water distribution evenness of the water inlet pipe and a water distributing pipe and convenient maintenance by additionally arranging a mud sucking device; the anaerobic suspended filler can be used for precoating treatment to realize the instant use of the whole system after loading; and the drop-aeration does not have power consumption, so that standardization and batch production is easy to realize, and the filter is easy to popularize.

A heat-not-burn smoking set, comprising: a housing (1) having a hollow chamber; a circuit assembly, the circuit assembly comprising a battery (2) and a flexible circuit board (3) extending along the hollow chamber, one end of the flexible circuit board (3) having a first circuit region (33), the battery (2) being electrically connected to the first circuit region (33); and a circuit board support member (6), the circuit board support member (6) being arranged in the hollow chamber and being adapted to inner walls of the hollow chamber, the circuit board support member (6) extending along the axial direction of the battery (2), one end of the battery (2) abutting against one end of the circuit board support member (6), and the first circuit region (33) being fixed on the circuit board support member (6). The circuit board support member (6) can form a positioning support for one end of the flexible circuit board (3), and also can provide an abutment face for the battery (2), helping to maintain the original connection relationship and fixing relationship between the flexible circuit board (3) and the battery (2) during the assembling process, and making the whole assembling process more convenient, quick and efficient.

The invention discloses a flexible electricity generation power supply and a flexible display screen. The electricity generation power supply comprises a flexible substrate and multiple piezoelectric film electricity generation devices deposited on the flexible substrate, wherein each piezoelectric film electricity generation device comprises a lower electrode deposited on the flexible substrate, a flexible piezoelectric film deposited on the lower electrode, and an upper electrode deposited on the flexible piezoelectric film, and the upper electrode on each piezoelectric film electricity generation device is connected with the corresponding lower electrode in series. The flexible display screen comprises the flexible electricity generation power supply and multiple display units located on the flexible substrate, wherein the multiple display units are electrically connected with the flexible electricity generation power supply. The flexible electricity generation power supply solves the technical problem of flexible power supply of the flexible display screen, is matched with the flexible display screen, and can provide a usable power supply for the display screen in the absence of illumination.